A northeasterly, moderate and mostly variable flow prevails over the South of the basin. Over the North, it is northwesterly, moderate and mostly variable.
For Sylt, Rantum Weststrand :
No gale warning.
The reliability of the situation is very good.
Fair weather with mostly clear skies. In the evening, relatively clear skies becoming changeable.
NE force 4 turning NNW in the middle of the day then NW. Gusts reaching 18 knots in the morning. Slight sea temporarily smooth to slight in the middle of the day. Low, short swell from NW. Excellent visibility.